<!-- 城市选择搜索组件 -->
<template>
    <div>
        <div class="search">
            <input type="text" class="search-input" placeholder="请输入城市名或拼音" v-model="keyworld">
        </div>
        <div class="search-content" ref="search" v-show="keyworld">
            <ul>
                <li class="search-item border-bottom" v-for="item in list" :key="item.id"  @click="handleCity(item.name)">{{item.name}}</li>
                <li class="search-item border-bottom" v-show="nodata">没有找到匹配数据</li>
            </ul>
        </div>
    </div>
</template>
<script>
import Bscroll from "better-scroll";
export default {
  name: "CitySearch",
  props: ["cities"],
  data() {
    return {
      keyworld: "",
      list: [],
      timer: null
    };
  },
  methods: {
    handleCity(city) {
        
      //用dispatch将方法changeCity和参数city传递给actions
      //this.$store.dispatch("changeCity", city);

      //也可以通过commit直接调用mutations，跳过actions
      this.$store.commit("changeCity", city);

      //跳转到首页
      this.$router.push("/");
    }
  },
  computed: {
    nodata() {
      return !this.list.length;
    }
  },
  watch: {
    keyworld() {
      if (this.timer) {
        clearTimeout(this.timer);
      }
      if (!this.keyworld) {
        this.list = [];
        return;
      }
      this.timer = setTimeout(() => {
        const result = [];
        for (let i in this.cities) {
          this.cities[i].forEach(value => {
            if (
              value.spell.indexOf(this.keyworld) > -1 ||
              value.name.indexOf(this.keyworld) > -1
            ) {
              result.push(value);
            }
          });
        }
        this.list = result;
      }, 100);
    }
  },
  mounted() {
    this.scroll = new Bscroll(this.$refs.search);
  }
};
</script>
<style lang="stylus" scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.search
    height 0.72rem
    padding 0 0.1rem
    background $bgColor
    .search-input
        width 100%
        height 0.62rem
        line-height 0.62rem
        text-align center
        border-radius 0.06rem
        color #666666
        box-sizing border-box
        padding 0 0.1rem
.search-content
    z-index 1
    overflow hidden
    position absolute
    top 1.58rem
    left 0
    right 0
    bottom 0
    background #eee
    .search-item
        line-height 0.62rem
        padding-left 0.2rem
        background #fff
        color #666
</style>
